81913320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227537}}^1$

素因数の和:227554

約数の個数: 48

約数和(自身を含む): 266219460

約数和(自身を除く): 184306140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227537, 455074, 682611, 910148, 1137685, 1365222, 1820296, 2047833, 2275370, 2730444, 3413055, 4095666, 4550740, 5460888, 6826110, 8191332, 9101480, 10239165, 13652220, 16382664, 20478330, 27304440, 40956660, 81913320]

約数ペア:

[(1, 81913320), (2, 40956660), (3, 27304440), (4, 20478330), (5, 16382664), (6, 13652220), (8, 10239165), (9, 9101480), (10, 8191332), (12, 6826110), (15, 5460888), (18, 4550740), (20, 4095666), (24, 3413055), (30, 2730444), (36, 2275370), (40, 2047833), (45, 1820296), (60, 1365222), (72, 1137685), (90, 910148), (120, 682611), (180, 455074), (360, 227537)]